CN108971992B - A CNC machining equipment for machining shaft sleeves - Google Patents

Abstract

The invention discloses a numerical control processing equipment for processing a shaft sleeve, which is characterized by comprising a frame, a spindle box, an X-axis feeding mechanism, a Y-axis feeding mechanism, a shaft sleeve feeding mechanism, a shaft sleeve fixture, a drill Hole machine; the bushing fixture is arranged on the main shaft of the spindle box, and is used for clamping the bushing to be processed; the X-axis feeding mechanism includes a first servo motor, an X-axis guide rail, an X-axis slide, an X-axis Shaft screw; the Y-axis feeding mechanism includes a second servo motor, a Y-axis guide rail, a Y-axis slide, a Y-axis screw; the shaft sleeve feeding mechanism includes a feeding base, a Y-axis guide rod, a guide rod support, Feeding sliding seat, Y-axis driving cylinder, material trough and X-axis pushing cylinder; the drilling machine is located above the shaft sleeve fixture; the Y-axis sliding seat is arranged on the turning tool holder and the tapping clamp head. The invention can realize a series of fully automatic machining of the stepped outer wall surface, the threaded inner hole and the radial hole on the shaft sleeve, which can double the work efficiency, the machining precision is high, and the production cost is greatly reduced.

Description

A CNC machining equipment for machining shaft sleeves

technical field

The invention relates to a numerical control machining equipment, in particular to a numerical control machining equipment for machining a shaft sleeve.

Background technique

Referring to Figure 1, as an upper shaft sleeve of an automobile chassis transmission assembly, the shaft sleeve has stepped outer wall surfaces (N-1, N-2), threaded inner holes (N-3), and radial holes (N-4) and the rectangular part (N-5). In the existing production and processing, there are the following deficiencies and the analysis is as follows:

First, the existing step-by-step outer wall surfaces (N-1, N-2), the threaded inner hole (N-3) and the radial hole (N-4) are divided into different multiple machine tools one by one. Process processing, there are multiple clamping, low automation, low efficiency, low precision, and high cost.

Second, the existing shaft sleeves are manually loaded and manually clamped one by one, which has the problems of low efficiency and troublesome clamping.

SUMMARY OF THE INVENTION

In order to solve one or more of the above-mentioned defects in the prior art, the present invention provides a numerical control machining device for machining a shaft sleeve.

In order to achieve the above purpose, the present invention provides a numerical control machining equipment for machining a shaft sleeve, which is characterized in that it comprises a frame (1), a headstock (2), an X-axis feeding mechanism (3), a Y-axis feeding A feeding mechanism (4), a bushing feeding mechanism (5), a bushing fixture (6), and a drilling machine (7); the headstock (2) and the X-axis feeding mechanism (3) are arranged on the frame (1) The upper two sides along the X-axis; the bushing fixture (6) is arranged on the main shaft (2-1) of the spindle box (2), and is used for clamping the bushing (N) to be processed ; The X-axis feeding mechanism (3) includes a first servo motor (3-1), an X-axis guide rail (3-2), an X-axis sliding seat (3-3), and an X-axis screw (3-4), The X-axis sliding seat (3-3) is slidably connected to the frame (1) through the X-axis guide rail (3-2), and the X-axis screw rod (3-4) is drivingly connected to the X-axis sliding seat (3-3) , the first servo motor (3-1) is connected with the X-axis screw (3-4) and is used to drive the X-axis screw (3-4) to perform rotational movement; the Y-axis feeding mechanism (4) includes The second servo motor (4-1), the Y-axis guide rail (4-2), the Y-axis slide (4-3), and the Y-axis screw (4-4), the Y-axis slide (4-3) passes through The Y-axis guide rail (4-2) is slidably connected with the X-axis sliding seat (3-3), the Y-axis screw (4-4) is drivingly connected with the Y-axis sliding seat (4-3), and the second servo motor ( 4-1) is connected with the Y-axis screw rod (4-4) and is used to drive the Y-axis screw rod (4-4) to rotate; the shaft sleeve feeding mechanism (5) includes a feeding base (5-1) ), Y-axis guide rod (5-2), guide rod support (5-3), feeding slide (5-4), Y-axis drive cylinder (5-5), material trough (5-6) and X A shaft pushing cylinder (5-7), the feeding base (5-1) is relatively fixed with the frame (1), and the Y-axis guide rod (5-2) is mounted on the shaft through the guide rod support (5-3). On the above-mentioned feeding base (5-1), the feeding sliding seat (5-4) is slidably connected with the Y-axis guide rod (5-2), and the output end of the Y-axis driving cylinder (5-5) is connected to the upper The material sliding seat (5-4) is connected, the material trough (5-6) is fixedly mounted on the feeding sliding seat (5-4) obliquely, and the lower end of the material trough (5-6) is provided with a discharge port (5-61), the discharge port (5-61) faces the bushing fixture (6), the X-axis pushing cylinder (5-7) is fixedly mounted on the material trough (5-6) and It is used to push the to-be-processed shaft sleeve (N) in the discharge port (5-61) into the shaft sleeve fixture (6); the drilling machine (7) is located on the shaft sleeve fixture (6) Above; the Y-axis sliding seat (4-3) is arranged on the turning tool holder (8) and the tapping chuck (9);

The shaft sleeve fixture (6) includes an elastic jacket (6-1); the first end of the elastic jacket (6-1) is provided with a tapered sleeve portion (6-11), the tapered sleeve portion (6-11) A deformable release groove (6-12) is provided thereon; an axial perforation (2-11) is provided in the main shaft (2-1), and the second end of the elastic jacket (6-1) is inserted into the axial direction In the first end of the through hole (2-11), a tapered hole (2-12) for matching with the tapered sleeve part (6-11) is provided in the first end of the axial through hole (2-11). A control rod (6-3) is pierced through the through hole (2-11), the first end of the control rod (6-3) is fixedly connected with the second end of the elastic jacket (6-1), and the control rod (6-3) ) The second end protrudes from the axial through hole (2-11) and is connected with the control cylinder (6-2); the second end of the elastic jacket (6-1) is connected with the axial through hole (2-11) An anti-rotation key (6-4) is arranged between the first ends; the inner hole of the tapered sleeve part (6-11) is a rectangular hole.

By adopting the above structure, its working characteristics and effects are analyzed as follows: First, several bushings (N) to be processed are placed in the trough (5-6), and the several bushings (N) are placed in the trough (5-6). 6) One by one continuous and inclined distribution, and when feeding, the Y-axis drive cylinder (5-5) drives the feeding slide (5-4) to slide toward the feeding direction, so that the feeding trough (5-6) ), the shaft sleeve (N) to be processed in the discharge port (5-61) at the lower end of the ) moves to the position of the shaft sleeve fixture (6), and then starts the X-axis pushing cylinder (5-7) to work. Push the shaft sleeve (N) to be processed in the discharge port (5-61) at the lower end of the trough (5-6) into the shaft sleeve fixture (6), and the shaft sleeve fixture ( 6) Clamp the shaft sleeve (N) to be processed, and then the Y-axis drive cylinder (5-5) drives the feeding slide (5-4) to slide in the reset direction. Since it leaves the processing area, during the shaft sleeve processing process Interference can be avoided in the feeding trough (5-6), and each bushing (N) in the material trough (5-6) automatically descends to make up for the next feeding; secondly, because the turning tool holder (8) is used for installation Turning tool, the tapping chuck (9) is used to install the tap, and the X-axis feeding mechanism (3) is used to drive the turning tool to feed along the X-axis when the outer wall surface of the step (N-1, N-2) is used. The Y-axis feeding mechanism (4) is used to drive the turning tool to feed and displace along the Y-axis, and the main shaft (2-1) of the spindle box (2) rotates and drives the workpiece on the shaft sleeve fixture (6). The shaft sleeve (N) is concentrically rotated, and the stepped outer wall surface (N-1, N-2) of the shaft sleeve can be machined to the outer circle. Third, the position of the tap can be adjusted through the Y-axis feed mechanism (4). , make it concentric with the shaft sleeve (N) to be processed on the shaft sleeve fixture (6), and then start the X-axis feeding mechanism (3) to work, and the main shaft (2-1) of the headstock (2) rotates and Drive the shaft sleeve (N) to be machined on the shaft sleeve fixture (6) to rotate concentrically, so that the tap can move along the concentric X axis of the shaft sleeve (N) to be machined, so as to realize the threaded inner hole (N- 3) Machining; fourth, when the drilling machine (7) is started, the machining of the radial hole (N-4) on the to-be-machined bushing (N) on the bushing fixture (6) can be realized. When the main shaft (2-1) of the main shaft box (2) drives the shaft sleeve (N) to be processed to turn to different angles, the sequential processing of each radial hole (N-4) can be realized. Therefore, the above solution can realize the automatic processing of the above-mentioned stepped outer wall surfaces (N-1, N-2), threaded inner hole (N-3) and radial hole (N-4) respectively, avoiding manual clamping, which can be achieved The work efficiency can be doubled, repeated positioning errors can be avoided, the machining accuracy is high, and the production cost can be greatly reduced; the to-be-machined bushing can realize continuous automatic feeding, avoid downtime operations, reduce auxiliary time, and improve feeding efficiency.

When the X-axis pushing cylinder (5-7) pushes the shaft sleeve (N) to be processed from the discharge port (5-61) of the material trough (5-6) into the elastic jacket (6-1) Inside the cone sleeve part (6-11), when the control cylinder (6-2) is started to work, the control cylinder (6-2) pulls the cone of the elastic jacket (6-1) through the control rod (6-3) The sleeve portion (6-11) moves inward, and the taper sleeve portion (6-11) is shrunk and deformed due to the mutual cooperation of the tapered sleeve portion (6-11) and the tapered hole (2-12), and finally the tapered sleeve portion (6-11) is to be processed. One end of the shaft sleeve (N) is clamped to realize automatic clamping. In this way, the elastic jacket (6-1) is coaxially connected with the main shaft, and will not rotate with each other, which can prevent the elastic jacket (6-1) from rotating and loosening, resulting in an angle error, thereby affecting the elastic jacket (6-1) Each radial hole (N-4) on the machine is precisely machined. The inner hole of the tapered sleeve part (6-11) is matched with the rectangular part (N-5) of the shaft sleeve, and the rectangular part (N-5) of the shaft sleeve is inserted into the inner hole of the tapered sleeve part (6-11) and will not be fixed after positioning. will rotate relative to each other.

Further, the first end of the control rod (6-3) is threadedly connected with the second end of the elastic jacket (6-1). The lever (6-3) is easy to install and remove.

Further, the turning tool holder (8) includes a frame body (8-1), the frame body (8-1) is provided with an X-axis groove (8-2), and the X-axis groove (8- 2) One side wall is provided with a row of several screw holes (8-3) along the X axis. The tool holder of the turning tool is positioned and inserted into the X-axis groove (8-2). After screwing the screw into the screw hole (8-3), the tool holder of the turning tool can be pressed tightly, so that the turning tool can be locked and fixed, and the positioning is accurate. , the fixing is convenient and the disassembly is simple. At the same time, due to the arrangement of a row of several screw holes (8-3) along the X axis, the tool handle of the turning tool can be adjusted along the X axis direction, which is convenient for the positioning and position adjustment of the turning tool.

Further, the tapping chuck (9) is mounted on the Y-axis sliding seat (4-3) through a support (9-1).

Further, the material trough (5-6) is made of plastic material. It can avoid the damage of the shaft sleeve to be processed, and the collision will not damage the surface.

The beneficial effects of the present invention are as follows: the present invention can realize a series of fully automatic machining of the stepped outer wall surface, the threaded inner hole and the radial hole on the shaft sleeve, so as to avoid manual clamping, the work efficiency can be doubled, and many Repeated positioning error, high machining accuracy, greatly reducing production costs; in addition, because the to-be-machined bushing can realize continuous automatic feeding and automatic clamping, it avoids shutdown operation, reduces auxiliary time, and improves feeding and clamping efficiency.

Description of drawings

Fig. 1 is a perspective view of a conventional shaft sleeve.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a perspective view of the present invention (without a frame).

Figure 4 is a projection view of the shaft sleeve feeding mechanism.

Figure 5 is a perspective view of the shaft sleeve feeding mechanism.

FIG. 6 is a schematic view of the structure of the bushing clamp.

Fig. 7 is a perspective view of a spring jacket.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the present invention will be further described:

Referring to Figures 1-7, a CNC machining equipment for machining shaft sleeves, including a frame 1, a spindle box 2, an X-axis feeding mechanism 3, a Y-axis feeding mechanism 4, a shaft sleeve feeding mechanism 5, a shaft sleeve The fixture 6, the drilling machine 7; the spindle box 2 and the X-axis feeding mechanism 3 are arranged on both sides of the frame 1 along the X-axis; the bushing fixture 6 is arranged on the main shaft 2 of the spindle box 2 -1, and it is used for clamping the shaft sleeve N to be processed.

The X-axis feeding mechanism 3 includes a first servo motor 3-1, an X-axis guide rail 3-2, an X-axis slide 3-3, and an X-axis screw 3-4. The X-axis slide 3-3 passes through the X-axis The guide rail 3-2 is slidably connected to the frame 1, the X-axis screw 3-4 is drivingly connected to the X-axis slide 3-3, and the first servo motor 3-1 is connected to the X-axis screw 3-4 and is used for The X-axis screw 3-4 is driven to rotate. When working, the first servo motor 3-1 drives the X-axis screw 3-4 to rotate, and the X-axis screw 3-4 cooperates with the X-axis sliding seat 3-3 for thread transmission, thereby driving the X-axis sliding. The seat 3-3 slides along the X-axis on the X-axis guide rail 3-2. When the first servo motor 3-1 is forward and reversed, the X-axis sliding seat 3-3 can move in the positive and negative directions of the X-axis, respectively. It is used to drive the turning tool 10 and the tap 11 to move forward and negative along the X axis.

The Y-axis feeding mechanism 4 includes a second servo motor 4-1, a Y-axis guide rail 4-2, a Y-axis slide 4-3, and a Y-axis screw 4-4. The Y-axis slide 4-3 passes through the Y-axis The guide rail 4-2 is slidably connected to the X-axis slide 3-3, the Y-axis screw 4-4 is drive-connected to the Y-axis slide 4-3, and the second servo motor 4-1 is connected to the Y-axis screw 4-4 It is connected and used to drive the Y-axis screw 4-4 to rotate. When working, the second servo motor 4-1 drives the Y-axis screw 4-4 to rotate, and the Y-axis screw 4-4 cooperates with the Y-axis slide 4-3 for thread transmission, thereby driving the Y-axis slide. The seat 4-3 slides along the Y axis on the Y axis guide rail 4-2. When the second servo motor 4-1 is forward and reversed, the Y axis sliding seat 4-3 can move in the positive and negative directions of the Y axis, respectively. It is used to drive the turning tool 10 and the tap 11 to move forward and negative along the Y axis.

The shaft sleeve feeding mechanism 5 includes a feeding base 5-1, a Y-axis guide rod 5-2, a guide rod support 5-3, a feeding sliding seat 5-4, a Y-axis driving cylinder 5-5, and a feeding trough 5- 6 and the X-axis pushing cylinder 5-7, the feeding base 5-1 is fixedly connected with the frame 1, the Y-axis guide rod 5-2 is mounted on the feeding base 5-1 through the guide rod support 5-3 The guide rod support 5-3 is fixed on the feeding base 5-1, the Y-axis guide rod 5-2 is fixedly installed on the guide rod support 5-3 along the Y-axis direction, and the feeding sliding seat 5-4 It is slidably connected with the Y-axis guide rod 5-2, the output end of the Y-axis drive cylinder 5-5 is connected with the feeding sliding seat 5-4, and the feeding trough 5-6 is obliquely fixed on the feeding sliding seat On 5-4, the lower end of the trough 5-6 is provided with a discharge port 5-61, the discharge port 5-61 faces the shaft sleeve fixture 6, and the X-axis pushing cylinder 5-7 is fixedly mounted on the The material trough 5-6 is used to push the to-be-processed shaft sleeve N in the discharge port 5-61 into the shaft sleeve fixture 6.

Preferably, the width of the material grooves 5-6 matches the axial length of the shaft sleeve N to be processed.

The drilling machine 7 is located above the bushing fixture 6 ; and the Y-axis sliding seat 4 - 3 is arranged on the turning tool holder 8 and the tapping chuck 9 . Wherein, the turning tool holder 8 is used for installing the turning tool 10 , and the tapping chuck 9 is used for installing the tap 11 .

The lower end of the frame 1 is provided with a machine bed foot 1-1, the upper end of the frame 1 is provided with a worktable 1-2, the headstock 2, the X-axis feeding mechanism 3, the Y-axis feeding mechanism 4, and the shaft sleeve feeding The mechanisms 5 are all installed on the workbenches 1-2.

In addition, an operation panel 1-3 is mounted on the rack 1, and has a display, a control switch, and the like thereon.

Specifically, the headstock 2 , the X-axis feeding mechanism 3 , the Y-axis feeding mechanism 4 , the bushing feeding mechanism 5 , the bushing fixture 6 , and the drilling machine 7 are connected to the control system.

However, the headstock 2 and the drilling machine 7 can adopt the existing structures, so they will not be described in detail.

Adopting the above structure, its working characteristics and effects are analyzed as follows: First, several bushings N to be processed are placed in the trough 5-6, and the several bushings N are continuous and inclined one by one in the trough 5-6 distribution, and when feeding, the Y-axis drive cylinder 5-5 drives the feeding slide 5-4 to slide toward the Y-axis feeding direction, so that the lower end of the material trough 5-6 is described in the discharge port 5-61. To be processed, the shaft sleeve N is moved to the position of the shaft sleeve fixture 6 facing the X-axis, and then the X-axis pushing cylinder 5-7 is started to work, and the lower end of the material trough 5-6 can be described in the discharge port 5-61. The inner bushing to be processed N is pushed into the bushing fixture 6, and the bushing fixture 6 is used to clamp the bushing N to be processed, and then the Y-axis driving cylinder 5-5 drives the upper The material sliding seat 5-4 slides in the reset direction (feeding reverse movement). Since it leaves the processing area, interference can be avoided during the processing of the bushing. Second, since the turning tool holder 8 is used to install the turning tool 10, and the tapping chuck 9 is used to install the tap 11, when the outer wall surfaces of the steps are N-1 and N-2, the The X-axis feeding mechanism 3 is used to drive the turning tool to feed and displace along the X-axis, the Y-axis feeding mechanism 4 is used to drive the turning tool to feed and displace along the Y-axis, and the main shaft 2-1 of the headstock 2 rotates and Drive the shaft sleeve N to be processed on the shaft sleeve fixture 6 to rotate concentrically, so that the stepped outer wall surface N-1 and N-2 of the shaft sleeve can be machined externally. Third, it can be adjusted by the Y-axis feed mechanism 4 The tap is positioned so that it is concentric with the to-be-processed shaft sleeve N on the shaft sleeve fixture 6, and then the X-axis feed mechanism 3 is started to work, and the main shaft 2-1 of the headstock 2 rotates and drives the to-be-processed shaft sleeve on the shaft sleeve fixture 6. The processing shaft sleeve N rotates concentrically, so that the tap can move along the concentric X-axis of the shaft sleeve N to be processed, so as to realize the processing of the threaded inner hole (N-3) of the shaft sleeve N; fourthly, when the drilling machine 7 is started, It is possible to realize the drilling of radial holes N-4 for the shaft sleeve N to be processed on the shaft sleeve fixture 6. Since the main shaft 2-1 of the spindle box 2 drives the to-be-processed shaft sleeve N to turn to different angles, each radial hole can be processed. Sequential machining of hole N-4. Therefore, the above solution can realize the automatic processing of the above-mentioned stepped outer wall surfaces N-1, N-2, threaded inner hole N-3 and radial hole N-4 respectively, avoid manual clamping, can double the work efficiency, and can It avoids repeated positioning errors, has high machining accuracy, and greatly reduces the production cost; the to-be-processed bushing can realize continuous automatic feeding, avoid shutdown operation, reduce auxiliary time, and improve feeding efficiency.

Further, the shaft sleeve fixture 6 includes an elastic jacket 6-1; the first end of the elastic jacket 6-1 is provided with a tapered sleeve portion 6-11, and the tapered sleeve portion 6-11 is provided with a deformable release Slot 6-12; the main shaft 2-1 is provided with an axial through hole 2-11, the second end of the elastic jacket 6-1 is inserted into the first end of the axial through hole 2-11, the axial through hole 2- 11. A tapered hole 2-12 for matching with the tapered sleeve portion 6-11 is arranged in the first end, and a control rod 6-3 is passed through the axial hole 2-11, and the first end of the control rod 6-3 is The second end of the elastic jacket 6-1 is fixedly connected, and the second end of the control rod 6-3 extends out of the axial through hole 2-11 and is connected to the control cylinder 6-2. When the X-axis pushing cylinder 5-7 pushes the shaft sleeve N to be processed from the discharge port 5-61 of the material trough 5-6 into the tapered sleeve part 6-11 of the elastic jacket 6-1, when the The control cylinder 6-2 works, and the control cylinder 6-2 pulls the tapered sleeve portion 6-11 of the elastic jacket 6-1 to move inward through the control rod 6-3. 2-12 cooperate with each other to shrink and deform, and finally the tapered sleeve part 6-11 clamps one end of the shaft sleeve N to be processed to realize automatic clamping.

Further, an anti-rotation key 6-4 is provided between the second end of the elastic jacket 6-1 and the first end of the axial through hole 2-11. In this way, the elastic jacket 6-1 is coaxially connected with the main shaft and will not rotate with each other, which can prevent the elastic jacket 6-1 from rotating and loosening, resulting in angular errors, thereby affecting the radial holes on the elastic jacket 6-1. N-4 precision machining.

Further, the inner hole of the tapered sleeve portion 6-11 is a rectangular hole 6-13. The rectangular hole 6-13 in the tapered sleeve portion 6-11 matches the rectangular portion N-5 of the shaft sleeve, and the rectangular portion N-5 of the shaft sleeve will not rotate mutually after being inserted into the inner hole of the tapered sleeve portion 6-11 for positioning .

Further, the first end of the control rod 6-3 is screwed 6-5 with the second end of the elastic jacket 6-1. The lever 6-3 is easy to install and remove.

Further, the turning tool holder 8 includes a frame body 8-1, the frame body 8-1 is provided with an X-axis groove 8-2, and a side wall of the X-axis groove 8-2 is provided with a row of edges. Several screw holes 8-3 in the X axis. The turning tool shank is positioned and inserted into the X-axis groove 8-2. After screwing the screw into the screw hole 8-3, the turning tool shank can be pressed tightly, and the turning tool can be locked and fixed, with precise positioning, convenient fixing, The disassembly is simple, and at the same time, because a row of several screw holes 8-3 along the X axis is provided, the tool holder of the turning tool can be adjusted along the X axis direction, which is convenient for the positioning and position adjustment of the turning tool.

Further, the tapping chuck 9 is mounted on the Y-axis sliding seat 4-3 through a support 9-1.

Further, the material troughs 5-6 are made of plastic material. It can avoid the damage of the shaft sleeve to be processed, and the collision will not damage the surface.

The preferred embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art through logical analysis, reasoning or limited experiments on the basis of the prior art according to the concept of the present invention shall fall within the protection scope determined by the claims.

Claims (5)

1. A numerically controlled machining equipment for machining a shaft sleeve, characterized in that: it comprises a frame (1), a headstock (2), an X-axis feeding mechanism (3), a Y-axis feeding mechanism (4), a shaft A sleeve feeding mechanism (5), a shaft sleeve fixture (6), and a drilling machine (7); The headstock (2) and the X-axis feeding mechanism (3) are arranged on both sides of the frame (1) along the X-axis; The bushing fixture (6) is arranged on the main shaft (2-1) of the spindle box (2), and is used for clamping the bushing (N) to be processed; The X-axis feeding mechanism (3) includes a first servo motor (3-1), an X-axis guide rail (3-2), an X-axis sliding seat (3-3), and an X-axis screw (3-4). The X-axis sliding seat (3-3) is slidably connected to the frame (1) through the X-axis guide rail (3-2), and the X-axis screw (3-4) is drivingly connected to the X-axis sliding seat (3-3), The first servo motor (3-1) is connected to the X-axis screw (3-4) and is used to drive the X-axis screw (3-4) to perform rotational motion; The Y-axis feeding mechanism (4) includes a second servo motor (4-1), a Y-axis guide rail (4-2), a Y-axis sliding seat (4-3), and a Y-axis screw (4-4). The Y-axis slide (4-3) is slidably connected to the X-axis slide (3-3) through the Y-axis guide rail (4-2), and the Y-axis screw (4-4) is connected to the Y-axis slide (4-3). ) drive connection, the second servo motor (4-1) is connected with the Y-axis screw (4-4) and is used to drive the Y-axis screw (4-4) to do rotary motion; The shaft sleeve feeding mechanism (5) includes a feeding base (5-1), a Y-axis guide rod (5-2), a guide rod support (5-3), a feeding sliding seat (5-4), and a Y-axis Drive cylinder (5-5), material trough (5-6) and X-axis pushing cylinder (5-7), the feeding base (5-1) is relatively fixed to the frame (1), the Y-axis guide rod (5-2) is mounted on the feeding base (5-1) through the guide rod support (5-3), and the feeding sliding seat (5-4) is slidably connected with the Y-axis guide rod (5-2) , the output end of the Y-axis drive cylinder (5-5) is connected with the feeding slide (5-4), and the feeding trough (5-6) is fixed obliquely on the feeding slide (5-4). ), the lower end of the trough (5-6) is provided with a discharge port (5-61), the discharge port (5-61) faces the shaft sleeve clamp (6), the X-axis pushing cylinder (5) -7) fixedly mounted on the material chute (5-6) and used to push the to-be-machined shaft sleeve (N) in the discharge port (5-61) into the shaft sleeve fixture (6); so The drilling machine (7) is located above the shaft sleeve fixture (6); the Y-axis sliding seat (4-3) is arranged on the turning tool holder (8) and the tapping chuck (9); The shaft sleeve fixture (6) includes an elastic jacket (6-1); the first end of the elastic jacket (6-1) is provided with a tapered sleeve portion (6-11), the tapered sleeve portion (6-11) A deformable release groove (6-12) is provided thereon; an axial perforation (2-11) is provided in the main shaft (2-1), and the second end of the elastic jacket (6-1) is inserted into the axial direction In the first end of the through hole (2-11), a tapered hole (2-12) for matching with the tapered sleeve part (6-11) is provided in the first end of the axial through hole (2-11). A control rod (6-3) is pierced through the through hole (2-11), the first end of the control rod (6-3) is fixedly connected with the second end of the elastic jacket (6-1), and the control rod (6-3) ) The second end protrudes from the axial through hole (2-11) and is connected with the control cylinder (6-2); the second end of the elastic jacket (6-1) is connected with the axial through hole (2-11) An anti-rotation key (6-4) is arranged between the first ends; the inner hole of the tapered sleeve part (6-11) is a rectangular hole. 2. A numerical control machining device for machining a shaft sleeve according to claim 1, characterized in that: the first end of the control rod (6-3) is threadedly connected with the second end of the elastic jacket (6-1) . 3. The numerical control machining equipment for machining a shaft sleeve according to claim 1, wherein the turning tool holder (8) comprises a frame body (8-1), and the frame body (8-1) ) is provided with an X-axis groove (8-2), and one side wall of the X-axis groove (8-2) is provided with a row of several screw holes (8-3) along the X-axis. 4. A numerical control machining device for machining a shaft sleeve according to claim 1, characterized in that: the tapping chuck (9) is mounted on the Y-axis sliding seat through a support (9-1). (4-3) on. 5 . The numerical control machining equipment for machining shaft sleeves according to claim 1 , wherein the material trough ( 5 - 6 ) is made of plastic material. 6 .

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